Omkareshwar, an island on the banks of the Narmada, is located on the
Mandhata hill in Madhya Pradesh. The Omkareshwar Jyotirlinga shrine and
the Amareshwar temple is one of the 12 revered Jyotirlinga shrines of
Shiva. The river Narmada branches into two which forms an island
Mandhata or Shivapuri in the center. Ironically, the island's shape
resembles the visual representation of the Omkara sound, Om. The temple
can be reached by ferry.The influence of the Nagara architecture can be well made out. The proof is the lofty shikhara. High spires are another eye catching point of the temple. Shrines dedicated to Annapurna & Ganesha are also found here. Worshiping Panchamuga Ganesha is considered to be very auspicious.
One has to go through two rooms before entering the temple. With mysterious circumstances, the Omkareshwar is naturally installed there surrounded by water. The highlight of this particular linga is its location which is not below the cupola. Lord Shiva's idol is situated on the top of the temple. Kartik Poornima is supposed to be the organization of a huge fair.
As per the legend, Vindhya mountain once prayed to Lord Shiva or Omkareshwara and got blessed in return. Other story says that the Shivalinga was split into two upon the request of the Devas. Thus, the formation of Omkareshwara and Amareshwar.